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This is a public health concern as groundwater is often the primary water source in the region. [1] Near-term solutions to reduce pollution and overuse are often costly and hard to implement in a timely manner. [5]
Estimates suggest up to 900,000 acres of farmland in the San Joaquin Valley alone might need to be fallowed to reduce the drawdown of groundwater and balance supply and demand.
To meet the lofty goals of California’s 2014 Sustainable Groundwater Management Act, the authors estimated that users statewide will need to reduce groundwater pumping by about 19.2 percent by ...
The law was based on the idea that groundwater could best be managed at the local level, and it called for newly formed local agencies to gradually adopt measures to address chronic declines in ...
California has had a long history of complex water rights dealing with the ownership and management of surface water. Groundwater has stayed under the regulation radar, which led to the overdraft of vital basins and the subsidence of land taking place throughout the Central Valley. The SGMA gives responsibility to both state authority and local ...
This act applies to surface water, groundwater, wetlands and both point and nonpoint sources of pollution. There are nine regional water boards and one state water board that have resulted from this act. The act requires the adoption of water quality control plans that contain the guiding policies of water pollution management in California.
The state groundwater law, which was signed nearly 10 years ago, requires local agencies in many areas to develop groundwater plans and curb overpumping by 2040.
In California, groundwater accounts for around 41% of the state's total water supply, [1] although this number varies between wet and dry years. During years of greater than average rainfall, less groundwater is used to allow for reserves to be available during dry years. Up to 60% of all water can be sourced from groundwater during dry years.